WorksheetsRespiratory System
Total questions: 10
Worksheet time: 2mins
Living things on land and in water take in oxygen from their surroundings to stays alive.
True
False
Air is a mixture of different gases.
The components of air are oxygen, nitrogen, carbon dioxide, water vapour and other gases
True
False
When the air we breathe in reaches the air sacs in our lungs, carbon dioxide enters our blood.
True
False
The human
respiratory system consists of the nose, windpipe and the heart.
True
False
Fish take in dissolved oxygen in that water that passes through the the gills.
True
False
Insects have lungs and they breathe through nostrils.
True
False
Plants help to maintain the balance of oxygen and carbon dioxide in the air.
True
False
Plants can produce oxygen and take in carbon dioxide when it makes food.
True
False
When we run, the muscles in our body need less oxygen than when we walk.
True
False
The respiratory system works together with the circulatory system to ensure all parts of our body receive enough oxygen.
True
False
